GPT-6.1 Sol (Low) vs GPT-6 Astra (High)
Which is better for the money: GPT-6.1 Sol (Low) by OpenAI or GPT-6 Astra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-6 Astra (High) scores 8.8 points higher (50.9 vs 42.1) but costs 12× as much to run the benchmark ($2925 vs $250; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-6 Astra (High) when you need intelligence above 42.1, and GPT-6.1 Sol (Low) when 42.1 is enough.
| Metric | GPT-6.1 Sol (Low) | GPT-6 Astra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.1 | 50.9 | +20.9% GPT-6 Astra (High) is 20.9% more intelligent |
| Total AA cost (lower is better) | $250.48 | $2,925.01 | +1067.8% GPT-6 Astra (High) is 12× more expensive |
| End-to-end time (lower is better) | 12.91s | 93.68s | +625.6% GPT-6 Astra (High) is 625.6% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (High) vs GPT-6.1 Sol (Low): 20.9% more intelligence, 1067.8% more cost to run the AA benchmark, and 625.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Sol (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-6 Astra (High) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
GPT-6.1 Sol (Low)GPT-6 Astra (High)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-sol-low/gpt-6-astra-high · Markdown: /api/v1/compare/gpt-6-1-sol-low/gpt-6-astra-high?format=md · llms.txt · agent skill